Collar for clothing



FIG. 1 is a front view of a collar for clothing, showing our new design;

FIG. 2 is a back view thereof; and,

FIG. 3 is an enlarged perspective view thereof.

The broken line showing of the shirt is included for the purpose of illustrating unclaimed subject matter and forms no part of the claimed design. 

CLAIM The ornamental design for a collar for clothing, as shown and described. 